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Problem Description Given a number N, you are asked to count the number of integers between A and B inclusive which are relatively prime to N.Two inte 阅读全文
posted @ 2017-07-30 20:55
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1 #include 2 int num[6] = {2,3,5,7}; 3 int n; 4 int solve() 5 { 6 int ans = 0; //是那四个数的倍数的数的数量 7 for (int i = 1 ; i < (1<<4) ; i++) //选数 8 { 9 int ant = 0... 阅读全文
posted @ 2017-07-30 18:03
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也就是求小于或等于n的互质数的个数 阅读全文
posted @ 2017-07-30 18:00
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Description The input contains N natural (i.e. positive integer) numbers ( N <= 10000 ). Each of that numbers is not greater than 15000. This numbers 阅读全文
posted @ 2017-07-30 17:30
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